EP1554418B1 - Dispositif permettant de tendre une garniture de carde avec dispositif de mesure de force - Google Patents

Dispositif permettant de tendre une garniture de carde avec dispositif de mesure de force Download PDF

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Publication number
EP1554418B1
EP1554418B1 EP03788900A EP03788900A EP1554418B1 EP 1554418 B1 EP1554418 B1 EP 1554418B1 EP 03788900 A EP03788900 A EP 03788900A EP 03788900 A EP03788900 A EP 03788900A EP 1554418 B1 EP1554418 B1 EP 1554418B1
Authority
EP
European Patent Office
Prior art keywords
winding
force
force measuring
card clothing
braking
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Revoked
Application number
EP03788900A
Other languages
German (de)
English (en)
Other versions
EP1554418A2 (fr
Inventor
Hans-Ulrich Schneider
Axel Bauersachs
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Truetzschler Card Clothing GmbH
Original Assignee
Truetzschler Card Clothing GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=32049514&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1554418(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Truetzschler Card Clothing GmbH filed Critical Truetzschler Card Clothing GmbH
Publication of EP1554418A2 publication Critical patent/EP1554418A2/fr
Application granted granted Critical
Publication of EP1554418B1 publication Critical patent/EP1554418B1/fr
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
    • D01G15/84—Card clothing; Manufacture thereof not otherwise provided for
    • D01G15/92—Attaching card clothing to carding elements

Definitions

  • the present invention relates to a device for mounting a carding device on a roller according to the preamble of claim 1.
  • Garnished carding rolls are produced by winding a kind of saw toothed wire onto a roll main body.
  • the sawtooth wire lies flat on a feed bobbin. From this feed bobbin, the device pulls off the carding gag.
  • the sawtooth wire is fastened with its free end portion to an outer peripheral portion of the Walzengrundgropers and thereby passed at a distance from the roller base body by a braking device.
  • the roller body is driven by a regulated drive motor.
  • the braking device consists of laterally on the sawtooth wire with spring pressure aufditionden brake shoes, so that there is always a certain bias between the braking device and the roller body in the Kardiergamitur during the winding process. This device has also been used by the Applicant for years and has been well proven. Nevertheless, there are efforts to bring about an improvement here as well.
  • a device is known from CH255376 known.
  • the necessary voltage is built up by means of brake shoes.
  • One of the brake shoes is arranged pivotably about two pivot points with respect to a respective spring force.
  • the springs determine the pressing force, while the pivotability is a safety feature, which is intended to prevent damage, in particular tearing of the wire.
  • the biasing force is applied, takes place according to the present invention, a force measurement exactly in this direction or in parallel to this.
  • the measured force therefore gives immediate information on the card clothing applied bias.
  • Force measuring devices are available in many forms commercially, so that they can be used for a variety of mounting locations.
  • the braking device must be fixed at some point, e.g. on a machine frame. On the attachment point of the braking device act forces that correspond to the biasing forces with a suitable design. The forces at this attachment point are then measured via the force measuring device.
  • the measured values then provide a very good indication of the desired preload with which the carding gadget is wound up.
  • the force measurement should be carried out in a vertical plane in which the longitudinal axis of the section of the Kardiergamitur runs in the braking device, or substantially parallel to this.
  • the braking device is arranged on a substantially longitudinally to the Aufziehraum the Klardiergamitur against a stop means movably arranged carriage construction, wherein the force measuring device is designed at least at a Aufziehvorgang the supporting force of the carriage construction on the stop means measurable.
  • the carriage construction strives in such an arrangement to shift by the biasing force. However, this is prevented by the stop construction.
  • the force exerted by the carriage construction on the stop means is then measured and is an immediate measure of the biasing force.
  • the carriage construction could also act against a spring.
  • the pouring construction should be carried out so that except the displacement force as little as possible other forces acting on them. If this is not always guaranteed, it must be counteracted by other measures (eg good smoothness of a slide guide).
  • the force measuring device is arranged between the carriage construction and the stop device. The entire force is then passed through the force measuring device and is available for the measurement process.
  • a particularly robust embodiment is the use of a strain gauge load cell as a force measuring device.
  • This strain gauge load cell is able to transmit and measure the required forces.
  • it is a commercial product that is very easily and inexpensively obtainable for the intended purpose.
  • a very good smoothness of the carriage construction can be achieved according to a variant in that the carriage construction comprises at least one guided on at least one cylindrical rod ball bush.
  • Such ball bushings with associated rod guide are standard components, which are also very easy to obtain.
  • ball bushings can compensate for tilting forces to some extent, so that the carriage guide does not necessarily have to run in a plane with the Kardiergamitur. The smooth running of the guide ensures that the force can be measured as far as possible without additional influences and losses.
  • the braking device may comprise brake shoes which can be acted upon by the carding gage and which have at least one brake lining made of a ceramic material. So far, carbide brake shoes have been used. The inventor has now recognized that the use of ceramic materials in the mounting process again causes an improvement. It should be noted at this point that the subject matter of claim 6 could also independently enjoy protection independent of claim 1.
  • a recording device may be provided which, at least in regions, is designed to record the force profile measured by the force-measuring device during the mounting process. This makes it possible to document the Aufziehvorgang and understand whether over the entire Aufziehvorgang the necessary bias was generated. This can be about act a data logger, which can be removed after the Aufziehungsvorgang and spent elsewhere. As a result, the device remains insensitive to the very heavily contaminated work environment.
  • the data logger may be connected to a dynamo, which is driven at least during the Aufziehvorgangs of a rotating component of the device and the data logger is designed to be supplied with power.
  • a battery operation of the data logger is advantageous in many cases.
  • most accumulators are unlikely to be able to withstand the quite long wind-up procedures, provided that the accumulator volume should be kept within limits.
  • additional support may be provided e.g. be provided via a dynamo.
  • To drive the dynamo there are a number of drive options for the dynamo in the mounting device.
  • the drive of the dynamo preferably takes place in the immediate vicinity of the measured value reading. A drive of the dynamo could therefore e.g. leading by the Kardiergarnitur leadership roles as part or in the vicinity of the braking device.
  • the recording device is designed recording the Aufzieh effet during the Aufziehvorganges.
  • the winding speed is another process parameter that reflects a crucial role in the quality of the carding girth.
  • the braking device comprises a control and / or regulating unit, by means of which the braking effect on the winding bias voltage is automatically adjustable, then the detected data for the control or regulation of the braking device can be used.
  • the braking effect can thereby always be adapted to the optimum operating conditions and a good Aufziehhari be achieved.
  • roller drive unit can be integrated into the control and / or regulating circuit of the control and / or regulating unit and the roller drive unit can be controlled or regulated during automatic adaptation to the predetermined winding bias voltage.
  • the winding device 1 shown in Figure 1 essentially comprises a holding station 2 for a supply spool 3, on which a sawtooth-shaped Kardiergamitur is wound flat, a brake and guide device 5 and a roller 6.
  • the roller 6 is via a motor 7 and a transmission device driven in a clockwise direction.
  • the motor 7 has a control and regulating device 9, whereby the speed of the roller 6 and the direction of rotation can be controlled.
  • the brake and guide device 5 comprises a control and regulating device 10, which ensures a certain braking effect.
  • the control and regulating device 9 and the control and regulating device 10 are in operative connection with each other. In a further embodiment, these can also be used as a unit for driving both the brake and guide device 5 and the motor 7.
  • the sawtooth wire-shaped card clothing 4 is unwound, then passed through the brake and guide device 5 and wound onto the outer circumference of the roller 6.
  • the card clothing 4 then runs after the winding helically on the outer circumference of the roller 6.
  • the brake and guide device 5 is shown schematically in the figure 1 as a box. With reference to Figures 2 and 3, this will be explained in more detail.
  • the brake and guide device 5 is intended, in cooperation with the roller 6 and here in particular via the roller drive, the motor 7, to apply a pretension in the area 12 of the card clothing 4. This bias ensures a uniform and durable winding or winding the Kardiergamitur. 4
  • the brake and guide device 5 shown in Figure 2, 3 comprises a Mauzieharm 13 which has at its one end a running guide 14 which is arranged axially displaceably on a rotor tube 15.
  • the Aufzieharm 13 can track according to the respective aufwickelnden position on the roller 6.
  • the guide finger 16 At the opposite end of the Aufzieharm 13 on a guide finger 16, which ensures accurate placement of the carding 4 on the roller 6.
  • the guide finger 16 itself has a slot 17, which in turn crosses a slot 18 at the end of the Aufzieharms 13, so that via a screw 19 adjustment of the guide finger 16 can be done.
  • the actual brake unit 20 In the vicinity of the rotor guide 14, the actual brake unit 20 is arranged.
  • the brake unit 20 has two brake shoes 21, which can be displaced relative to one another, each having a brake lining made of a ceramic material.
  • One of the two brake shoes 21 is made adjustable by means of a spring 22 and an adjusting mechanism 23, so that the braking force can be adjusted.
  • a so-called straightening unit 24 is provided as part of the brake unit 20.
  • This straightening unit 24 has on one side three straightening rollers 25 with vertical axes of rotation and two opposite pressure rollers 26 also with vertical axes of rotation.
  • the pressure rollers 26 are arranged on the adjustment rollers 27 on the straightening rollers 25 or moved away. This gives the clothing a desired orientation after passing through the brake shoes 21st
  • the entire brake unit 20 is arranged on a carriage construction 28.
  • the carriage construction 28 comprises a carriage 29, which has a ball bush extension 30 on its underside.
  • a ball bushing 31 is arranged, which is arranged axially displaceably on a cylindrical guide rod 32.
  • the displaceability of the carriage 29 via the ball bushing 31 and the guide rod 32 is substantially parallel to the guided by the brake unit 20 Kardiergamitur.
  • the guide rod 32 is arranged in a stop structure 33, so that the displacement of the carriage 29 is limited.
  • a strain gauge load cell 34 is arranged between the Kugelbüchsenfortsatz 30 and a stop surface of the stopper 33.
  • This strain gauge load cell 34 is capable of measuring the displacement force of the brake unit 20 with which it is moved against the stopper structure 32.
  • the strain gauge load cell 34 is fixedly connected to the stopper structure 33 while its slide is supported on the stopper structure. Furthermore, the strain gauge load cell 34 is coupled to the controllers 9 and 10 so that there is at least one indicator that tells the operator whether the desired preload is being met.
  • a recording device could also be provided which documents the force curve accordingly. It is also possible to record the Aufzieh nie also.
  • the card clothing 4 is withdrawn from the supply spool and passed through the brake unit 20.
  • the Kardiergarnitur is threaded between the brake shoes 21 and passed through the straightening unit 24.
  • the guide finger 16 is set to engage the roller 6 with the carding comb 4, at the exact location where it impinges on the roller 6.
  • the beginning of the card clothing 4 is then connected to the roller 6, preferably welded.
  • the braking force is adjusted via the adjusting mechanism 23. About the adjusting screws 27, the straightening unit 24 is brought into the correct position.
  • the device If the device is now set in motion by driving the roller 6 via the motor 7, then the card clothing 4 slides through the corresponding setting Brake shoes 21 through. Since this is done with friction, a force is exerted on the carriage construction 28, by which the carriage construction 20 is to be displaced. However, the carriage is directly with the stop construction 33 under the interposition of the DMS force transducer into abutment. The force is measured and is a direct measure of the preload force in section 12 of the carding chart 4. A simple indication could now indicate whether the preload force is in the correct range. If this is not the case, the braking force must be released or tightened via the adjusting mechanism 23.
  • the adjustment of the brake shoes 21 could also be done automatically, then the adjustment of the brake shoes 21 could be incorporated into a control loop. Part of this control loop could also be a temperature sensor, which measures the temperature of the Kardiergamitur in the brake shoes 21. This then monitors whether an inadmissible heating of the Kardiergamitur, has taken place.
  • a data logger which is integrated in the brake and guide device 5, can also be provided as recording device.
  • the data logger may preferably have a battery operation.
  • a power supply takes place via a dynamo, which may also be part of the braking and guiding device 5.
  • a drive of the dynamo could e.g. take place via the straightening rollers 25 and pressure rollers 26. But also other preferred rotating parts of the mounting device, in particular the brake and guide device 5, are suitable for this purpose.
  • a dynamo can also be used to supply the entire power supply without battery operation of the datalogger. The interposition of a storage capacitor would also be conceivable.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Braking Arrangements (AREA)
  • Manipulator (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
  • Winding Of Webs (AREA)

Claims (10)

  1. Dispositif pour monter une garniture de carde (4) sur un cylindre (6) pourvu d'une unité d'entraînement et d'un dispositif de freinage (5) qui agit sur ladite garniture (4) pour produire une tension préalable d'enroulement dans les zones (12) de la garniture (4) situées entre le cylindre (6) et le dispositif de freinage (5), étant précisé qu'il est prévu un dynamomètre (34) qui est conçu pour mesurer la force agissant sur le point d'installation du dispositif de freinage (5), que le dispositif de freinage (5) est disposé sur une construction à chariot (28), que le dynamomètre (34) est en appui sur un dispositif de butée (33) et qu'il est conçu pour mesurer la force d'appui de ladite construction à chariot (28) au niveau du dispositif de butée au moins lors d'une opération de montage,
    caractérisé en ce que la construction à chariot (28) est disposée pour pouvoir être déplacée vers le dynamomètre (34) globalement longitudinalement par rapport au sens de montage de la garniture de carde (4), et le dynamomètre (34), longitudinalement par rapport au sens de montage, est disposé entre la construction à chariot (28) et le dispositif de butée (33).
  2. Dispositif selon la revendication 1, caractérisé en ce que le dynamomètre comprend un capteur de force à jauge d'allongement.
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que la construction à chariot (28) comprend au moins un manchon à billes (31) qui est guidé sur au moins une barre cylindrique (32).
  4. Dispositif selon l'une des revendications 1 à 3, caractérisé en ce que le dispositif de freinage (5) comprend des mâchoires de frein (21) qui agissent sur la garniture de carde (4) et qui présentent au moins une garniture de frein en matière céramique.
  5. Dispositif selon l'une des revendications 1 à 4, caractérisé en ce qu'il est prévu un dispositif d'enregistrement qui est conçu pour enregistrer au moins par zones, pendant l'opération de montage, la courbe de force mesurée par le dynamomètre.
  6. Dispositif selon la revendication 5, caractérisé en ce que le dispositif d'enregistrement est conçu comme un enregistreur de données qui est conçu pour pouvoir être enlevé et pour pouvoir être lu ailleurs.
  7. Dispositif selon la revendication 6, caractérisé en ce que le dispositif d'enregistrement est conçu pour enregistrer la vitesse de montage pendant l'opération de montage.
  8. Dispositif selon l'une des revendications 1 à 7, caractérisé en ce que le dispositif de freinage (5) comprend une unité de commande et/ou de régulation grâce à laquelle l'action de freinage peut être adaptée automatiquement à la tension préalable d'enroulement.
  9. Dispositif selon la revendication 8, caractérisé en ce que l'unité d'entraînement de cylindre (7) est intégrée dans le circuit de commande et/ou de régulation de l'unité de commande et/ou de régulation et est apte à être commandée et réglée automatiquement pour s'adapter à la tension préalable d'enroulement prédéfinie.
  10. Dispositif selon l'une des revendications 7 à 9, caractérisé en ce que l'enregistreur de données est relié à une dynamo qui est entraînée, au moins pendant l'opération de montage, par un élément rotatif du dispositif, et ledit enregistreur de données est conçu pour pouvoir être alimenté en courant.
EP03788900A 2002-10-21 2003-09-11 Dispositif permettant de tendre une garniture de carde avec dispositif de mesure de force Revoked EP1554418B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10249001 2002-10-21
DE10249001A DE10249001A1 (de) 2002-10-21 2002-10-21 Vorrichtung zum Aufziehen einer Kardiergarnitur mit Kraftmesseinrichtung
PCT/EP2003/010128 WO2004035886A2 (fr) 2002-10-21 2003-09-11 Dispositif permettant de tendre une garniture de carde avec dispositif de mesure de force

Publications (2)

Publication Number Publication Date
EP1554418A2 EP1554418A2 (fr) 2005-07-20
EP1554418B1 true EP1554418B1 (fr) 2007-12-12

Family

ID=32049514

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03788900A Revoked EP1554418B1 (fr) 2002-10-21 2003-09-11 Dispositif permettant de tendre une garniture de carde avec dispositif de mesure de force

Country Status (7)

Country Link
US (1) US7360735B2 (fr)
EP (1) EP1554418B1 (fr)
CN (1) CN100412244C (fr)
AT (1) ATE380896T1 (fr)
DE (2) DE10249001A1 (fr)
ES (1) ES2297256T3 (fr)
WO (1) WO2004035886A2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009010079A1 (de) 2009-02-12 2010-08-19 Graf + Cie Ag Verfahren und Vorrichtung zum Aufziehen einer Garnitur
EP2336406A1 (fr) 2009-12-16 2011-06-22 Groz-Beckert KG Dispositif de montage pour garnitures de carde en acier

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004004433A1 (de) * 2004-01-28 2005-08-18 Trützschler GmbH & Co KG Vorrichtung an einer Spinnereimaschine, insbesondere Karde, Reiniger o. dgl., zum Aufziehen einer Garnitur auf eine Walze
US7115508B2 (en) * 2004-04-02 2006-10-03 Applied-Materials, Inc. Oxide-like seasoning for dielectric low k films
DE102004055310A1 (de) * 2004-11-16 2006-05-18 Trützschler GmbH & Co KG Vorrichtung an einer Spinnereimaschine, insbesondere Karde, Krempel, Reiniger o. dgl. zum Aufziehen einer Garnitur auf eine Walze
EP2336407B1 (fr) * 2009-12-16 2012-08-15 Groz-Beckert KG Dispositif de montage pour garnitures de carde en acier

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB435742A (en) 1934-11-22 1935-09-26 Davis & Furber Improvements in and relating to card roller mounting machines
CH255376A (de) * 1947-03-19 1948-06-30 Rieter Joh Jacob & Cie Ag Einrichtung zum Aufziehen von Sägezahngarnituren auf Trommeln, insbesondere von Karden.
BE503585A (fr) * 1951-03-28
US3590537A (en) * 1969-11-04 1971-07-06 Teves Kg Alfred Disc-brake cleaning apparatus
US3950984A (en) * 1973-09-21 1976-04-20 Russell John D Force transducer for strain gage
US4643367A (en) * 1985-05-10 1987-02-17 John D. Hollingsworth On Wheels, Inc. Card wire winding tool and method
DE10061286C1 (de) * 2000-12-08 2002-04-04 Hollingsworth Gmbh Vorrichtung zum Aufziehen einer Kardiergarnitur

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009010079A1 (de) 2009-02-12 2010-08-19 Graf + Cie Ag Verfahren und Vorrichtung zum Aufziehen einer Garnitur
EP2336406A1 (fr) 2009-12-16 2011-06-22 Groz-Beckert KG Dispositif de montage pour garnitures de carde en acier

Also Published As

Publication number Publication date
CN1685096A (zh) 2005-10-19
ATE380896T1 (de) 2007-12-15
DE50308811D1 (de) 2008-01-24
WO2004035886A3 (fr) 2004-05-21
CN100412244C (zh) 2008-08-20
US20060000937A1 (en) 2006-01-05
US7360735B2 (en) 2008-04-22
DE10249001A1 (de) 2004-04-29
WO2004035886A2 (fr) 2004-04-29
EP1554418A2 (fr) 2005-07-20
ES2297256T3 (es) 2008-05-01

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